Bugfix: Size policies of fisheye and perspective canvas did not match and led to invalid scaling

fishui/widgets/DistortionVisualizationWidget.py

@@ -27,7 +27,7 @@ class DistortionVisualizationWidget(QWidget):
         self.perspectiveLabel.setText("Perspective domain")
         self.perspectiveLabel.setStyleSheet("font-weight: bold; font-size: 16px")
         self.perspectiveLabel.setAlignment(Qt.AlignCenter)
-        self.perspectiveLabel.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.Fixed)
+        self.perspectiveLabel.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Fixed)
         self.perspectiveBlockWidget = AspectRatioWidget(PerspectiveBlockWidget(self, viewModel), self)
 
         # Constrain both labels to have same minimum width